Digestive System - page 9

acid 13
anus 21
bacteria 18
bile 14
blood 16, 19
eating 4, 5, 21
energy 5, 6, 21
enzymes 9, 13, 14
esophagus 6, 10
fiber 18
food 6, 9, 10, 11, 13, 14,
16, 18, 19, 21
fuel 4, 6, 9, 21
large intestine 6, 18, 19
liver 6, 14
nutrients 6, 16, 19
organs 6, 13, 14, 18
pancreas 14
poop 19
saliva 9
small intestine 6, 14, 16
stomach 4, 6, 13
teeth 9
throat 10
tongue 9, 10
tubes 11, 14, 18
villi 16
INDEX
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